.homea{
    width: 100%;
    height: 100vh;
    // background: red;
    margin-bottom: -50px;
    input{
        width: 200px;
        height: 25px;
        margin-top: 10px;
        margin-left: 20px;
    }
    .bod{
        width: 100%;
        height: 100px;
        margin-top: 5px;
        div{
            width: 23%;
            height: 40px;
            float: left;
            margin-left: 4px;
            border: 1px solid #000;
            margin-top: 2px;
            text-align: center;
            line-height: 40px;
            font-size: 20px;
        }
    }

    .sw{
        width: 100%;
        height: 150px;
    }
}